Home / 134,514.06-185,634.16-83,554.70

Finding the Fourth Proportional to 134,514.06, 185,634.16 and 83,554.70

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Solution

The fourth proportional to 134,514.06, 185,634.16 and 83,554.70 is: 115,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,514.06 : 185,634.16 = 83,554.70 : x
  2. Step 2: Convert to fraction form
    134,514.06/185,634.16 = 83,554.70/x
  3. Step 3: Cross multiply
    134,514.06x = 185,634.16 × 83,554.70
  4. Step 4: Simplify right side
    134,514.06x = 15,510,605,411.49
  5. Step 5: Solve for x
    x = 15,510,605,411.49/134,514.06
  6. Step 6: Final answer
    x = 115,308.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.